Library of Celsus in Ephesus, Izmir, Turkey. The early AD governor of Asia Minor, Celsus Polemaeanus, was commemorated in this magnificent library.

The library of Celsus is an ancient Roman building in Ephesus, Anatolia, now part of Selçuk, Turkey. It was built in honour of the Roman Senator Tiberius Julius Celsus Polemaeanus by Celsus' son, Gaius Julius Aquila.